Melancholy was an emotional state that often appeared in literary works, providing a rich description of the inner world and emotional state of the characters. Here are some common literary works about depression: 100 Years of Solitude (978): Garcia Marquez's magical realism novel described the rise and fall of several generations of a family, as well as their inner world and emotional changes, expressing melancholy and loneliness. 2 The Catcher in the Rye (J.D. Salinger): The novel by Caulfield, USA, described the growth of a teenager in New York City. He tried to get rid of the depression in his heart, but in the end, he chose loneliness and confusion. 3. The Great Gatsby (F Scott Fitzgerald): The United States tells the story of a rich man, Gatsby, his dreams, and the emotional entanglement between him and Daisy. It portrays the melancholy and despair of the protagonist, Gatsby. 4."The Disqualification of the World"(Osamu Dazai): Japan tells the story of the protagonist's inner world and emotional changes. He experienced a lot of pain and inner struggle, and finally chose to commit suicide, showing the theme of depression and loneliness. 5 "White Night Walk"(Keigo Higashino): The Japanese mystery novel tells the complex relationship between two teenagers and their inner emotional and psychological states, depicting the protagonist's inner depression and contradictions. These are just some of the common melancholic literature works. There are many other excellent works that also express melancholic emotional states and topics, such as "Miserable World","One Hundred Years of Solitude","Dream of the Red Chamber" and so on.